Improvement im carpenters  gage-tools



EMMET R. DUNLAP, OF SOUTH LYON, AND ziiliirll lV. BUNLAP, UF ,iRAND RAPIDS, lllICHlG-AN.

Specification forming part ofLetters Patent No. -Jiiiiwil, dated August- 27, 1578; application filed July 1.23, 1878.

To all whom it may Gomera:

Be it known that we, llamar l?. Dunn/ir, Aof 4,South Lyon, Oakand County, liiiehigan, and GEORGE W. DUNLAP, et' Grand ,Rz 3 in the county of Kent and State oi liliehi i, have i nyented certain new and useful impr ref ments' in Carpenters Gage-iools; and we do hereby declare that the ioilowing is a inll,

,.elear, and exact description thereof, which will enable others skilled in the artl to which it appertains to 'ina-ke and use the same, reference being had to the accompanying drawings,

which forni a part of this specification.

Figure l is a pianyiew, and Fig. 2 is a Cinfilar View showing the rule or haii in a. dition ent position. i

Similar letters of reference lenoie corre spending parts in both iignres.

This invention relates 'to an improved iin plement for the use of carpenters and others,

which said ilrqilenientY consists of a for is a strai ht rule or bail iivoted adustahlv in the slot b by a set-screw, o, and so arran ged v'that when the implement is not in use ii; may be folded down over the end oi' handle A, as shown in Fir. l. In this class of tools, Where the rule or hail C is to fold over the rule A, the advantage of the slot b is, that a shorter bail, C, may be used than in those where the bail C is simply pivoted to forni the center ot 'the segment B, andthe serewinay be loosened and the hail moved away from the segment and folded down and Secured, thereby forming a neat. and compact tool. Upon the segment firs.J o; A:ging the edge of the rule in aline with the pitch-line which is wanted, and then securin the rule hy means of the set-screw c. The angle between the edge oi the hail or rule and tl at. njthehandie A is the piteh, which may ih" eaeiiy he indicated hy a peneilline upon the L.ieee of timber. By the slot I) we are enahieii 'to adjust. the haii or rule C near ie end of .handle A, so as to form a try ire, as shown in dotted lines, Fig. 2, while, al. die saine tne,the haii orrnie may he read ily slid had .r enough to @lose over the lia/mile es shown in `Fig. l.

We are awa-re of 'the patent to Thompson, (Betoher l2, '1858, which. is for a inner-gage consisting ot' a handle having a 'graded seginent and a swinging haii. lhis we do not elaiin; but',

Having thus described our invention, we eiaini and desire to secure by l'ietters Patent et the United States- In combination, the bail C, adjnstably pivoted within the slot b et' the rale A,sni slan tially as and for the purpose set forth.

In testimony that we claim the ibregoing as l our own we have hereto aitixed our signatures in presence of two witnesses.

Eli'IMli'l l. DUNLAP.

GEORG .E iV.V D UNLA l. YVitnesses to the signature of Emmet R. Dunlap: Y l

Dwrsn'r DUNLAP, J. J.,Kris'rnn. Witnesses to the signature oi' George lV. Dunlap: y

S. S. (BIHPMAN, Jenn M. BUTLER. 

